#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import socket,threading,time


def tcplink(sock,addr):
	print('Accept new connection from %s:%s...' % addr)
	sock.send(b'Welcome')
	while True:
		data = sock.recv(1024)
		time.sleep(1)
		if not data or data.decode('utf-8') == 'exit':
			break
		sock.send(('Hello,%s,this message is come from server' % data.decode('utf-8')).encode('utf-8'))
	sock.close()
	print('Connection from %s:%s closed.' % addr)
	
	
	
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)

s.bind(('0.0.0.0',9997))

s.listen(5)
print("Waiting for connection..")

while True:
	
	sock,addr = s.accept()
	
	t = threading.Thread(target=tcplink ,args=(sock,addr))
	t.start()
	
